1) In 2009, Shani Davis set a world record when he skated 2.5 laps around a 400 m track in 66.42 3. Answer the following questions based on the diagram of a speedskating rink below. (i) a) What distance did Davis skate if he started at point (i)? Does his skating distance differ if he started at point (ii) instead? 50 m . . .. 161.98 m b) What was Davrs' displacement at the end the race 0') if he started at point (i)? Does his skating displacement differ if he started at point (ii) instead? c) If Davis started at point (i), what was Davis' average speed? What was Davis' average velocity